Fix Visual Studio meta-projects on VS2008.
Fix Visual Studio meta-projects on VS2008.

* build/generator/gen_vcnet_vcproj.py
  (Generator.write_project):  Change the meta-project targets (such as
  __ALL__) to Utility project types so they don't cause issues when building
  with VS2008.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@872086 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion